1 files changed, 3 insertions, 2 deletions
diff --git a/tests/string-parser/driver.cxx b/tests/string-parser/driver.cxx
index 4e4984e..2e47e4a 100644
--- a/tests/string-parser/driver.cxx
+++ b/tests/string-parser/driver.cxx
@@ -1,8 +1,6 @@
 // file      : tests/string-parser/driver.cxx -*- C++ -*-
 // license   : MIT; see accompanying LICENSE file
 
-#include <cassert>
-
 #ifndef __cpp_lib_modules_ts
 #include <string>
 #include <vector>
@@ -23,6 +21,9 @@ import butl.string_parser;
 #include <libbutl/string-parser.mxx>
 #endif
 
+#undef NDEBUG
+#include <cassert>
+
 using namespace std;
 using namespace butl::string_parser;